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Q: What is the value of x in the equation 3x 45?
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3x+9=45 what is the value pf x?

In this equation, 3x + 9 = 45. To solve for x, you need to subtract 9 from both sides of the equation, which gives you 3x = 36. To find the value of x, you need to divide both sides of the equation by 3, which gives you x = 12. Therefore, the value of x is 12.


When x is -5 what is the value of 2x cubed - 3x?

If the equation is (2x)^3-3x, then the answer is -985. However, if the equation if 2(x)^3-3x, then the answer is -235.


What is the value of x in the equation -3x - 8 10?

x = -6


How do you solve for x if the problem is 3x plus 20?

You haven't given the solution to the equation ! 3x + 20 = ? If you have the number for the question-mark - you can find the value of x ! For example in the equation 3x + 20 = 50... the value of x is 10.


What is the value of x in the equation 3x equals x plus 10?

If 3x = x + 10 then 2x = 10 and x = 5


What 3x 45 and how do you solve for x?

Do you mean 3x = 45 then if so divided both sides by 3 to find the value of x which is 15


The sum of a number and one half of the number is fourtyfive write and equation to solve this problem?

X + X/2 = 45 so 3X/2 =45 3X=90 X=30


If 3x-1 equals 11 what is the value of x2 equals x?

If 3x - 1 = 11: To solve this equation, add 1 to each side of the equation to isolate x (3x -1 +1 = 11 + 1) and now the equation is 3x = 12. The next step is to divide both sides of the equation by 3 to find the value of x (3x / 3 = 12 / 3) for the answer x = 4. Not sure what you mean by x2 x, but you can substitute the value of x (which is 4) to solve.


What is 5-3x equals x plus 1?

It is an equation and the value of x is 1.


What is the solution for this equation 3x - 9 12?

If you mean: 3x-9 = 12 then the value of x is 7


What is 3x-2 equals 3x-5 Solve for X?

Answer: no solution3x - 2 = 3x -53x - 3x - 2 = 3x - 3x - 5 (Subtract 3x from each side.)-2 = -5 Huh??When you are solving an equation, and the variable disappears, there are two possibilities:If you are left with a true statement (such as 2 = 2), then the equation is an identity, and any value of x will satisfy the equation. The number of solutions is infinite.If you are left with a false statement, as in this case, no value of x will satisfy the equation. There is no solution.


What is the value of x in the equation 5(x plus 2) and minus 3x 12?

Without an equality sign the given terms can't be classed as an equation but if you mean 5(x +2) -3x = 12 then the value of x works out as 1